Full list of all 36 Adventure Time: Pirates of the Enchiridion achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Fall in to water more than 10 times.
Collect all other achievements.
Get Finn to level 10.
Get Jake to level 10.
Get Marceline to level 10.
Complete all side quests.
Light all the braziers in the Fire Kingdom.
Free the caged Mushroom people.
Get BMO to level 10.
Take all the penguins to the tree house.
Restore light to the treasure tree.
Pull the plug!
Beat Uncle Gumbald in battle.
Dock at all the islands.
Use all the pirate lookouts.
Beat the Fire Giant in battle.
Beat the Mother Varmint in battle.
Overskronk 4 enemies in a single battle.
Use BMO's "Analyze.exe".
Find Shelby the snail.
Open 15 treasure chests.
Unlock a gate with BMO.
Destroy 10 Sea destructibles.
Inflict more than 1 bunk effect on to a single enemy.
Beat 50 enemies in battle.
Fish out 25 items from the sea.
Beat Fern in battle.
Revive a hero.
Destroy 250 land destructibles.
Win your first fight against a higher level enemy.
Use a pirate lookout.
Buy your first item from the shop.
Destroy 50 land destructibles.
Complete your first side quest.
Win your first sea battle.
Pass the first Interrogation.